2026-09-10 21:51:07 -04:00
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#!/bin/sh
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#
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# post-build.sh - stamp the Mentalnet root filesystem with a build id
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#
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# Invoked by Buildroot (BR2_ROOTFS_POST_BUILD_SCRIPT) with the target
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# directory as first argument. The same stamp is recorded in
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# output/images/.mn-build-stamp so post-image.sh can name the ISO
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# after the exact build that is inside it.
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#
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# The stamp is visible inside the guest:
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# - /etc/os-release -> BUILD_ID="YYYYMMDD-HHMMSS"
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# - /etc/issue -> shown above the login prompt
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set -e
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TARGET_DIR="${1}"
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STAMP="$(date +%Y%m%d-%H%M%S)"
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IMAGES_DIR="$(dirname "${TARGET_DIR}")/images"
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# record the stamp for post-image.sh
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mkdir -p "${IMAGES_DIR}"
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echo "${STAMP}" > "${IMAGES_DIR}/.mn-build-stamp"
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2026-09-11 00:48:31 -04:00
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# /etc/os-release (regular file lives at /usr/lib/os-release; /etc/os-release
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# is a symlink to it) - Mentalnet branding, Buildroot defaults dropped
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2026-09-10 21:51:07 -04:00
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OS_RELEASE="${TARGET_DIR}/usr/lib/os-release"
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2026-09-11 00:48:31 -04:00
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cat > "${OS_RELEASE}" <<EOF
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NAME="Mentalnet GNU/Linux"
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VERSION="0.1 (intel32, build ${STAMP})"
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ID=mentalnet
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VERSION_ID="0.1"
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PRETTY_NAME="Mentalnet GNU/Linux intel32 0.1 (build ${STAMP})"
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BUILD_ID="${STAMP}"
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EOF
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2026-09-10 21:51:07 -04:00
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# login banner
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ISSUE="${TARGET_DIR}/etc/issue"
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sed -i '/^Mentalnet GNU\/Linux build /d' "${ISSUE}"
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printf 'Mentalnet GNU/Linux build %s\n' "${STAMP}" >> "${ISSUE}"
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